*** This bug is a duplicate of bug 614853 ***
https://bugs.launchpad.net/bugs/614853
** This bug has been marked a duplicate of bug 614853
kernel panic divide error: [#1] SMP
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** Changed in: linux
Status: Unknown = Confirmed
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https://bugs.launchpad.net/bugs/824304
Title:
Divide by zero in find_busiest_group/update_sg_lb_stats (on physical
hardware)
One of my servers, after 219 days of uptime, crashed with the same
divide-by-zero bug, as I confirmed in the ec2 bug. It's a heavy IO
machine running a critical MySQL service.
I'm attaching the crash log I could get out of my messages log file.
There is apparently a patch getting into the Debian
Debian bug with patches: http://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=636797
** Bug watch added: Debian Bug tracker #636797
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=636797
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** Bug watch added: Linux Kernel Bug Tracker #16991
http://bugzilla.kernel.org/show_bug.cgi?id=16991
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=16991
Importance: Unknown
Status: Unknown
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Due to the nature of the crash, logs cannot be obtained. Screenshots in
the referenced ec2 bug are relevant, however, and the problem is already
described in that bug, but because it was only reported for ec2 package,
fixes were not applied to the generic/server kernel packages.
I am setting bug
Quick hardware description of systems that this is occuring on:
SuperMicro X8-series motherboards, various models equipped with Xeon
Westmeres, various models.
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